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Finding the Third Proportional to 103,667 and 158,777

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Solution

The third proportional to 103,667 and 158,777 is: 243,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667 : 158,777 = 158,777 : x
  2. Step 2: Convert to fraction form
    103,667/158,777 = 158,777/x
  3. Step 3: Cross multiply
    103,667x = 158,777 × 158,777
  4. Step 4: Simplify right side
    103,667x = 25,210,135,729
  5. Step 5: Solve for x
    x = 25,210,135,729/103,667
  6. Step 6: Final answer
    x = 243,183.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.